Improve satellite view and fused location telemetry

README.md

@@ -187,7 +187,8 @@ ancak son gecerli RINEX verisi ve harita onbellegiyle cevrimdisi kullanim da des
 Port secici Linux'ta `/dev/ttyUSB*` ve `/dev/ttyACM*`; macOS'ta USB ile ilgili
 `/dev/cu.*` ve `/dev/tty.*` aygitlarini listeler. Hic aygit algilanmazsa Linux'ta
 `/dev/ttyUSB2`, macOS'ta `/dev/cu.usbserial` duzenlenebilir bir varsayilan yol olarak
-gosterilir. Varsayilan baud rate `115200`'dur.
+gosterilir. 50 Hz IMU-duzeltilmis konum akisini kayipsiz tasimak icin varsayilan baud
+rate `460800`'dur.
 
 If the port cannot be opened, make sure the user has serial access:
 
@@ -216,7 +217,13 @@ without logging out.
   receiver marker without resetting a globe orientation chosen by dragging.
 - RINEX download starts at every launch, repeats every 15 minutes, and falls back through the
   previous two UTC days if today's stream file is unavailable. Current and next-minute satellite
-  positions are propagated from the cached ephemeris, then smoothly interpolated at 30 FPS.
+  positions are propagated from the cached ephemeris, then smoothly interpolated at 10 FPS.
+- The 3D Earth tab includes a `RINEX Guncelle` button for an immediate manual refresh. Its status
+  line shows the UTC time of the last successful download or cache load.
+- Complete UART channel snapshots such as `tracked satellites=5 prns=[...]` replace the previous
+  connected-PRN set, so satellites that were lost no longer remain green.
+- RINEX text is parsed once per download and retained as compact ephemeris records. The static
+  globe is cached between camera changes, reducing CPU and allocation load during orbit animation.
 - The globe uses an embedded Natural Earth coastline mask with terrain-like land colouring,
   shallow-water edges, atmospheric shading, and a cached Earth-fixed texture for smooth rotation.
 - The main content width and the right-side dashboard/UART height are both adjustable by